EMLA350ARA331MJA0G Equivalent & Substitute Parts

Part Overview

The EMLA350ARA331MJA0G is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™-MLA series. This surface mount radial can capacitor is designed for general purpose applications with a rated lifetime of 3000 hours at 105°C. The part is active and in production, with RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to provide alternatives with enhanced performance characteristics, extended operational lifetime, or improved availability.

Substiute Parts

EMLA350ARA331MJA0G

Chemi-ConIn Stock: 797EMLA350ARA331MJA0G Datasheet

Current PartRFQ

35TLV330M10X10.5

RubyconIn Stock: 1988935TLV330M10X10.5 Datasheet

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EXV337M035S9PAA

KEMETIn Stock: 862EXV337M035S9PAA Datasheet

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UUD1V331MNL1GS

NichiconIn Stock: 23598UUD1V331MNL1GS Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EMLA350ARA331MJA0G is determined by the following mandatory parameters:

Core Electrical Parameters (Must Match):

• Capacitance: 330 µF
• Tolerance: ±20%
• Voltage Rating: 35 V
• Polarization: Polar

Mechanical Parameters (Must Match):

• Package Type: Radial, Can - SMD
• Mounting Type: Surface Mount
• Physical Dimensions: 0.394" Dia (10.00mm), compatible height within 10.30mm to 10.50mm range
• Surface Mount Land Size: 0.406" L x 0.406" W (10.30mm x 10.30mm)

Compliance Parameters (Must Match):

• RoHS3 Compliant
• ECCN: EAR99
• HTSUS: 8532.22.0020

Performance Parameters (May Exceed):

• Lifetime @ 105°C: 3000 Hrs minimum (substitutes may offer 5000 Hrs)
• Operating Temperature Range: -40°C minimum to 105°C maximum (substitutes may extend to -55°C)
• Ripple Current @ 100 kHz: 850 mA minimum (substitutes may match or exceed)
• Impedance: 80 mOhms baseline (substitutes may vary within acceptable range)

All three substitute parts meet or exceed the core electrical, mechanical, and compliance requirements of the main part.

Parameter Comparison

Engineering Selection Recommendations

35TLV330M10X10.5 (Rubycon TLV Series)

This substitute provides equivalent electrical and mechanical compatibility with the EMLA350ARA331MJA0G. The Rubycon TLV series offers extended lifetime (5000 Hrs @ 105°C versus 3000 Hrs), expanded operating temperature range (-55°C to 105°C), and AEC-Q200 automotive qualification. Physical dimensions are compatible with a maximum seated height of 0.413" (10.50mm), which accommodates standard PCB layouts. All compliance requirements including RoHS3, ECCN EAR99, and HTSUS classification are maintained. This part is suitable for applications requiring enhanced reliability and automotive-grade performance.

EXV337M035S9PAA (KEMET EXV Series)

This substitute meets all core electrical and mechanical requirements with identical capacitance, voltage rating, and tolerance specifications. The KEMET EXV series provides 5000 Hrs lifetime at 105°C and AEC-Q200 automotive qualification. Impedance is specified at 120 mOhms @ 100 kHz, which is higher than the main part's 80 mOhms baseline. Physical dimensions are compatible with a maximum seated height of 0.413" (10.50mm). Moisture sensitivity level is listed as Not Applicable, indicating different handling requirements compared to the main part's MSL 1 rating. RoHS3 compliance and all regulatory classifications are maintained.

UUD1V331MNL1GS (Nichicon UUD Series)

This substitute provides electrical and mechanical equivalence with extended lifetime (5000 Hrs @ 105°C) and expanded operating temperature range (-55°C to 105°C). The Nichicon UUD series carries AEC-Q200 automotive qualification. Impedance is specified at 90 mOhms, which is slightly higher than the main part. Ripple current at 100 kHz is specified at 670 mA, which is lower than the main part's 850 mA rating. Physical dimensions are compatible with a maximum seated height of 0.413" (10.50mm). REACH Status is listed as Affected, requiring compliance verification for specific applications. RoHS3 compliance and regulatory classifications are maintained.

Frequently Asked Questions (FAQ)

Q: Can the EMLA350ARA331MJA0G be directly replaced with any of these substitute parts?

A: Yes. All three substitute parts meet the mandatory electrical parameters (330 µF, ±20%, 35 V), mechanical specifications (Radial, Can - SMD, 10.00mm diameter), and compliance requirements (RoHS3, ECCN EAR99, HTSUS 8532.22.0020). Direct substitution is electrically and mechanically valid.

Q: What is the primary difference between the main part and the substitutes?

A: The main part (EMLA350ARA331MJA0G) has a rated lifetime of 3000 hours at 105°C. All three substitutes offer extended lifetime of 5000 hours at 105°C, representing a 67% increase in operational duration. Additionally, all substitutes provide expanded operating temperature range to -55°C compared to the main part's -40°C minimum.

Q: Are there differences in ripple current handling?

A: Yes. At 100 kHz, the main part and Rubycon/KEMET substitutes all support 850 mA ripple current. The Nichicon UUD1V331MNL1GS is rated at 670 mA @ 100 kHz, which is lower. At 120 Hz, ripple current ratings vary: main part 425 mA, Rubycon 510 mA, KEMET 595 mA, and Nichicon 335 mA. Selection should account for specific application ripple current requirements.

Q: What is the significance of AEC-Q200 rating on the substitute parts?

A: AEC-Q200 is an automotive qualification standard. All three substitute parts carry this certification, indicating suitability for automotive applications. The main part is specified for general purpose applications without automotive qualification.

Q: Are there height differences that affect PCB layout?

A: The main part has a maximum seated height of 0.406" (10.30mm). All three substitutes have a maximum seated height of 0.413" (10.50mm), representing a 0.007" (0.20mm) increase. This difference is within standard PCB design tolerances but should be verified for space-constrained layouts.

Q: What does "Moisture Sensitivity Level 1 (Unlimited)" mean?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The main part and Rubycon/Nichicon substitutes carry this rating. The KEMET EXV337M035S9PAA is listed as "Not Applicable," indicating different moisture handling specifications that require verification for specific storage and assembly conditions.

Q: How do impedance differences affect circuit performance?

A: The main part and Rubycon substitute both specify 80 mOhms impedance. The KEMET substitute specifies 120 mOhms, and the Nichicon substitute specifies 90 mOhms. Higher impedance may affect high-frequency filtering performance. Selection should account for circuit impedance requirements at operating frequencies.

Q: Is the Nichicon substitute's "REACH Status: Affected" a concern?

A: REACH Affected status indicates the part is subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations. This requires compliance verification for specific end-use applications and geographic markets. The main part and other substitutes are listed as REACH Unaffected.

Q: Can these parts be used interchangeably in existing designs?

A: Electrical and mechanical interchangeability is confirmed. However, design verification is required for: (1) PCB layout accommodation of the 0.20mm height difference, (2) ripple current requirements at operating frequencies, (3) impedance specifications for filtering applications, (4) automotive qualification requirements, and (5) regulatory compliance for target markets.